APA (7 वां संस्करण) प्रशस्ति पत्र
(2015). Introduction to Oil and Gas Operational Safety: Revision Guide for the NEBOSH Internatinal Technical Certificate in Oil and Gas Operational Safety. Routledge.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Introduction to Oil and Gas Operational Safety: Revision Guide for the NEBOSH Internatinal Technical Certificate in Oil and Gas Operational Safety. New York: Routledge, 2015.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Introduction to Oil and Gas Operational Safety: Revision Guide for the NEBOSH Internatinal Technical Certificate in Oil and Gas Operational Safety. Routledge, 2015.
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